With the HDMI distribution Amplifier, you can display identical image on four(4) displays from one(1) source equipment with HDMI port.
Pi+ (PiPlus ) 1x4 HDMI Splitter
microware HDMI Splitter 1X4 Ports Powered V1.4b Video Converter with Full Ultra HD 1080P 4K/2K and 3D Resolutions (1 Input to 4 Outputs) Media Streaming Device - microware
Pi+ (PiPlus ) 1x4 HDMI Splitter
Vanco International HDMI® 1x4 4K2K Splitter
HD 1X4 HDMI Splitter Powered Kit - 4 Por
HDMI Splitter Keliiyo 1X4 Ports Powered V1.4b Video Converter with Full Ultra HD 1080P 4K/2K and 3D Resolutions (1 Input to 4 Outputs)
HDMI Mini Splitter with 1 input to 4 output The splitter can make 1 HDMI signal separate 4 HDMI signals without any loss shared synchronizing HD signal. Also it support signal buffering and expanded maximum signal transmission distance can up to 15 m.
Microware HDMI Splitter 1 in 4 Out V1.4 Powered 1x4 Ports Box Supports 4K@30Hz Full Ultra HD 1080P and 3D Compatible with PC STB Xbox PS4 Fire Stick
1×4 HDMI Splitter Over Single Cat5e/6 cable, Up to 50M with IR – Pixelpitch
Black-i 4K HDMI Splitter: 1x4 Distribution for Enhanced Visuals
Pi+ (PiPlus ) 1x4 HDMI Splitter